we all know that a poor diet can bring to health problems in the long run, in addition to a low physical and mental performance not to receive the nutrients they need.
Junk food is the worst thing that we can consume, since they have no nutritional value and make that people age more rapidly.
constant sometimes they have warned of the risks of eating such products and it should not be forgotten that obesity is a serious problem in countries like Mexico, which even has been proposed to include warnings on junk food (link).
To know greater detail unhealthy foods, you can visit the full note in the following vinculo:list of foods that can age the human body.